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    Category Health/Medical

    Vitamin D Deficiency directly linked to Dementia

    June 15, 2022, Categories  Health/Medical, Biology/Biotechnology

    Vitamin D supplement

    Dementia is one of the major causes of disability and dependency among older people worldwide, affecting thinking and behaviors as you age. But what if you could stop this degenerative disease in its tracks?

    A world-first study from the University of South Australia could make this a reality as new genetic research shows a direct link between dementia and a lack of vitamin D.

    Investigating the association between vitamin D, neuroimaging features, and the risk of dementia and stroke, the study found:

    • low levels of vitamin D were associated with lower brain volumes and an increased risk of dementia and stroke
    • genetic analyses supported a causal effect of vitamin D deficiency and dementia.
    • in some populations as much as 17% of dementia cases might be prevented by increasing everyo...
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    Dietary Fiber in the Gut may Help with Skin Allergies

    June 14, 2022, Categories  Health/Medical, Biology/Biotechnology

    A Monash University study exploring the emerging gut-skin axis has found that microbial fermentation of dietary fibre in the gut can protect against allergic skin disease. The research could potentially lead to novel treatments to prevent or treat allergies.

    Professor Ben Marsland from the Central Clinical School’s Department of Immunology, together with Swiss colleagues at the University Hospital of Lausanne (CHUV), showed that the fermentation of fibre in the gut by bacteria and subsequent production of short-chain fatty acids (SCFAs), in particular butyrate, protected against atopic dermatitis in mice.

    The research was published today in Mucosal Immunology.

    While it is well established that the gut microbiome shapes the immune system, the influence it has on the skin is le...

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    Forever Chemicals linked to Hypertension in Middle-Aged Women

    June 14, 2022, Categories  Biology/Biotechnology, Health/Medical

    Infographic: PFAS associated with higher risk of hypertension
    Infographic: PFAS associated with higher risk of hypertension
    This infographic shows common synthetic chemicals called per- and polyfluoroalkyl substances (PFAS) are associated with a higher risk of hypertension. They are found in fast food packaging, PFAs contaminated drinking water and PFAs contaminated food and states PFAS are detectable in almost everyone. The corresponding line graph shows the survival probability from age 45 to 70 with the following numbers. The hazard ratio of 95% confidence intervals by PFAs. Tertiles 3 versus 1 is 1.71 (1.15, 2.54). Tertile 2 versus Tertile 1 is 1.31 (1.07, 1.59).  
    copyright Hypertension, an American Heart Association journal and Ning Ding, Ph.D., M.P.H. 

    In a large, prospective study, the levels of per- and polyfluoroalkyl substances (PFAS), w...

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    Three Distinct Brain Circuits in the Thalamus contribute to Parkinson’s Symptoms

    June 10, 2022, Categories  Health/Medical, Biology/Biotechnology

    image of the parafascicular (PF) thalamus
    Caption: In this image of the parafascicular (PF) thalamus, the blue cells participate in reward processing/depression, the red cells are critical for motor learning, and the green cells are important for general locomotion. The ‘fr’ stands for a fiber bundle.
    Credits:Image: Ying Zhang and Dheeraj Roy

    Targeting these circuits could offer a new way to reverse motor dysfunction and depression in Parkinson’s patients. In a study of a small region of the thalamus, MIT neuroscientists have now identified three distinct circuits that influence the development of both motor and nonmotor symptoms of Parkinson’s. Furthermore, they found that by manipulating these circuits, they could reverse Parkinson’s symptoms in mice.

    The findings suggest that those circuits could be good targets for new d...

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